Convert 42 Square Millimeter to Square Centimeter

42 square millimeters = 0.42 square centimeters. See the conversion formula, step-by-step calculation, and quick reference table.

42 mm² (square millimeters) = 0.42 cm² (square centimeters)

Step-by-Step Solution

1
Convert 42 mm² to square centimeters

We need to convert square millimeters to square centimeters

2
Apply the formula

Since 1 cm² = 100 mm², divide by 100

42 ÷ 100 = 0.42

Answer

42 mm² = 0.42 cm²

Square Millimeters to Square Centimeters Conversion Table

Square Millimeters (mm²) Square Centimeters (cm²)
38 mm² 0.38 cm²
39 mm² 0.39 cm²
40 mm² 0.4 cm²
41 mm² 0.41 cm²
42 mm² 0.42 cm²
43 mm² 0.43 cm²
44 mm² 0.44 cm²
45 mm² 0.45 cm²
46 mm² 0.46 cm²
47 mm² 0.47 cm²

Frequently Asked Questions

What is 42 square millimeters in square centimeters?

42 square millimeters equals 0.42 square centimeters.

How do I convert 42 mm² to cm²?

To convert 42 square millimeters to square centimeters, divide 42 by 100. The result is 0.42 cm².

What is the formula for square millimeters to square centimeters?

The formula is: cm² = mm² ÷ 100.